<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>HTTP状态码</title>
</head>
<body>
<%
    response.setStatus(HttpServletResponse.SC_NOT_FOUND); // 404状态码
%>
<h1>沐言科技：www.yootk.com</h1>
</body>
</html>
